Radon produces a daughter nucleus that is radioactive. The daughter, in turn, pr
ID: 2069320 • Letter: R
Question
Radon
produces a daughter nucleus that is radioactive. The daughter, in turn, produces its own radioactive daughter, and so on. This process continues until lead
is reached. What are the total number N? of ? particles and the total number N?- of ?- particles that are generated in this series of radioactive decays?
Radon 220 86 Rn produces a daughter nucleus that is radioactive. The daughter, in turn, produces its own radioactive daughter, and so on. This process continues until lead 208 82 Pb is reached. What are the total number N? of ? particles and the total number N?- of ?- particles that are generated in this series of radioactive decays?Explanation / Answer
Alpha particle : 42
Beta particle : -1
Rn22086 ---------------> Pb20882 + x 42 + y -1
Balancing mass
220 = 208 + 4x + y*0
=>x = 3
Balancing Charge
86 = 82 + 4*(2) - y
=> y = 4
Hence N = 3 and N = 4
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